WO2006129445A1 - Dispositif d’embrayage pour motocycle - Google Patents

Dispositif d’embrayage pour motocycle Download PDF

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Publication number
WO2006129445A1
WO2006129445A1 PCT/JP2006/309017 JP2006309017W WO2006129445A1 WO 2006129445 A1 WO2006129445 A1 WO 2006129445A1 JP 2006309017 W JP2006309017 W JP 2006309017W WO 2006129445 A1 WO2006129445 A1 WO 2006129445A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
pressing
pressure plate
rotating body
plate
Prior art date
Application number
PCT/JP2006/309017
Other languages
English (en)
Japanese (ja)
Inventor
Yoshio Imanishi
Toshiyuki Yamada
Original Assignee
Exedy Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exedy Corporation filed Critical Exedy Corporation
Publication of WO2006129445A1 publication Critical patent/WO2006129445A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • F16D13/54—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

Definitions

  • the present invention relates to a clutch device, and more particularly to a motorcycle clutch device that transmits power of an input side member to an output side member and also interrupts power transmission by operation of a release mechanism.
  • multi-plate clutch devices are used in order to transmit or cut off engine power and other power to a transmission.
  • This multi-plate clutch device comprises a clutch housing connected to the crankshaft side of the engine, an output side rotating body connected to the transmission side, and a clutch unit for transmitting and disconnecting power between them. And a pressure plate for pressing the clutch portion.
  • a first clutch plate engaged with the clutch housing and a second clutch plate engaged with the output side rotating body are alternately arranged.
  • the rotation of the crankshaft is transmitted to the transmission side by pressing the clutch plates with a pressing member such as a spring via a pressure plate. Also, when the clutch is turned off (rotational transmission is cut off), the operator grips the clutch lever to activate the release mechanism, and the release mechanism releases the pressing of the pressing member against the clutch plate, and the first and the first Power transmission between the 2nd clutch plate is cut off!
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-222159
  • An object of the present invention is to suppress drag torque in a clutch portion in a clutch device for a motor cycle and to facilitate shift during traveling.
  • a clutch device for a motor cycle according to claim 1 is a device for transmitting power from an input side member to an output side member and interrupting power transmission by operation of a release mechanism, comprising: a clutch housing; And a clutch portion, a pressure plate, a pressing member, a reliance member, and a return member.
  • the clutch housing is connected to one of the input side member and the output side member.
  • the rotating body is provided on the inner peripheral portion of the clutch housing, and is connected to the other of the input side member and the output side member.
  • the clutch portion has one or more plate members for transmitting and disconnecting power between the clutch housing and the rotating body.
  • the pressure plate is a member for pressing one or more plate members of the clutch portion.
  • the pressing member is a member for pressing the pressure plate.
  • the release member is a member for releasing the pressing load on the pressure plate of the pressing member.
  • the return member is disposed between the rotating body and the pressure plate, and urges the pressure plate to release the clutch force with a load smaller than
  • the pressing force by the pressing member acts on the clutch portion through the pressure plate, and the clutch portion is turned on (power transmission state).
  • the power from the input side member is input to, for example, the clutch housing, and further transmitted to the rotating body through the clutch portion and output to the output side member.
  • this power is transmitted to the clutch housing through the clutch portion and is output to the output side member.
  • a clutch device for a motorcycle according to claim 2 is the device according to claim 1, wherein the pressing member has the pressing portion on the outer peripheral portion, and amplifies the operating force of the release mechanism by a predetermined lever ratio and presses it. It is a diaphragm spring having a lever portion on the inner peripheral portion for releasing the pressing force by the portion.
  • the clutch with a smaller operating force by the lever ratio compared to the operating force in the conventional clutch device Off operation is possible.
  • the configuration of the pressing member is simplified.
  • a clutch device for a motorcycle according to claim 3 is the device according to claim 2, wherein in the diaphragm spring, the outer peripheral portion of the pressing portion presses the pressure plate, and the inner peripheral portion of the pressing portion is a rotating body. The inner periphery of the lever portion is moved to the plate side by the release mechanism.
  • the outer peripheral portion of the pressing portion moves in a direction away from the pressure plate, and the pressing portion presses the pressure plate. The pressure is released.
  • a clutch device for a motor cycle according to claim 4 is the device according to claim 1, wherein the presser plate is formed in an annular shape, protrudes radially inward at the inner peripheral portion, and faces the rotating body.
  • the return member has a plurality of projections provided, and the return member is supported by the support recess formed in the plurality of projections and the rotating body.
  • the return member is supported by the support plate formed in the presser plate and the rotating body.
  • the clutch device for a motorcycle according to claim 5 is the device according to claim 1, wherein the rotating body has a friction portion facing the pressure plate on the outer peripheral portion, and the clutch portion engages with the clutch housing.
  • the first clutch plate and the second clutch plate engaged with the rotating body, and the first and second clutch plates are sandwiched between the friction portion of the rotating body and the pressure plate.
  • the first and second clutch plates constituting the clutch portion are held between the friction portion of the rotating body and the pressure plate, and the power is obtained from the clutch housing, the first clutch plate, the first 2 Clutch plate is transmitted by the route of the rotating body.
  • a motorcycle clutch device is the device according to claim 1, wherein the return member is an elastic member elastically deformable in the compression direction.
  • a motorcycle clutch device is the device according to claim 6, wherein the return member is a compression coil spring.
  • FIG. 1 is a longitudinal sectional view of a clutch device for a motorcycle according to an embodiment of the present invention.
  • FIG. 2 A front view of the device.
  • the clutch device for a motorcycle shown in FIG. 1 and FIG. 2 is for transmitting the power of the crankshaft force of the engine to the transmission and for interrupting the power by the operation of the release mechanism.
  • This clutch device is configured such that the clutch is disengaged by pushing the release bearing inward in the axial direction, and power is generated between the clutch housing 1, the output side rotating body 2, the clutch housing 1 and the output side rotating body 2
  • the clutch unit 3 for transmitting and disconnecting, the pressure plate 4, the diaphragm spring 5, the release member 6, and a plurality of return springs for releasing the pressure plate 4 from the clutch unit 3 when the clutch is off. It is equipped with seven.
  • the clutch housing 1 has a disc-shaped portion 10 and a cylindrical portion 11 which also extends outward in the axial direction (rightward in FIG. 1) of the force on the outer peripheral side of the disc portion 10.
  • An input gear 13 is attached to the disc portion 10 via a plurality of annular rubber members 12.
  • the input gear 13 is engaged with a drive gear (not shown) fixed to a crankshaft on the engine side.
  • the rubber member 12 is provided to absorb the vibration of the engine force, and another coil spring or the like may be used.
  • the cylindrical portion 11 is formed with a plurality of recessed portions which are recessed radially outward at a portion on the inner peripheral side, and a plurality of axially extending notches are formed in the cylindrical portion 11 in a circumferential direction. It is formed at intervals. This notch is for releasing the lubricating oil inside to the outer peripheral side.
  • the output side rotating body 2 is disposed on the inner peripheral portion of the clutch housing 1. This output time
  • the rolling element 2 is formed in a substantially disc shape, and the spline 15 is formed on the outer peripheral portion, and the spline hole 16 is formed on the inner peripheral portion. And, the spline holes 16 in the inner peripheral part are in mesh with the input shaft 17 of the transmission.
  • a disc-like friction flange 18 further extending radially outward is formed at the axially inner end of the outer peripheral portion of the output side rotating body 2. Further, on the outer peripheral end of the axially outer surface of the output side rotating body 2, a plurality of supporting protrusions 2a projecting in the axial direction are formed at predetermined intervals in the circumferential direction.
  • bosses 2b are formed at predetermined intervals in the circumferential direction on the inner circumferential side of the support projection 2a in the axially outer surface, and the inner circumferential end of the boss 2b
  • An inlay projection 2c is formed to further project in the axial direction.
  • a support plate 19 for supporting the diaphragm spring 5 on the output side rotating body 2 is fixed to the boss 2 b of the output side rotating body 2 by rivets 20.
  • the support plate 19 is an annular member, and the inner peripheral end thereof is supported by the inlay projection 2 c of the output side rotating body 2.
  • an annular support projection 19a which protrudes inward in the axial direction is formed.
  • a thrust plate 21 is provided between the inner peripheral portion of the input gear 13 and the inner peripheral portion of the output side rotating body 2.
  • the clutch unit 3 has two first clutch plates 25 and one second clutch plate 26. Both of these clutch plates 25 and 26 are annularly formed, and are alternately arranged in the axial direction. In addition, a plurality of outwardly projecting engaging projections are formed on the outer peripheral portion of the first clutch plate 25, and the engaging projections are formed on the inner peripheral portion of the cylindrical portion 11 of the clutch housing 1. It is in the recess. In addition, the first clutch plate 25 is provided with friction facings on both sides.
  • the second clutch plate 26 has a spline formed on the inner peripheral portion. The splines on the inner peripheral portion are in mesh with the splines 15 formed on the outer periphery of the output side rotating body 2.
  • the pressure plate 4 is an annular member, and is disposed further axially outside the outermost first clutch plate 25.
  • An axially inward protruding spline 4a is formed on the inner peripheral portion of the pressure plate 4, and the spline 4a is an output.
  • the outer peripheral splines 15 of the side rotary body 2 are engaged with each other.
  • an annular projecting portion 4 b that protrudes in the axial direction is formed on the outer peripheral portion of the axially outer surface of the pressure plate 4, and further, on the inner peripheral side of the annular projecting portion 4 b, the axial direction is formed.
  • the annular projection 4b protrudes axially outward from the pressing projection 4c.
  • the diaphragm spring 5 is an annular plate member, has a pressing portion 5a as a disc spring on the outer peripheral portion, and has a lever portion 5b on the inner peripheral portion for releasing the pressing of the pressing portion 5a. Further, at the inner peripheral end of the lever portion 5b, an abutting portion 5c projecting outward in the axial direction is formed.
  • the diaphragm spring 5 is arranged so that the outer peripheral portion thereof is positioned on the inner peripheral side of the annular projection 4 b of the pressure plate 4 and is centered.
  • the outer peripheral portion of the pressing portion 5 a of the diaphragm spring 5 abuts on the pressing projection 4 c of the pressure plate 4, and the inner peripheral portion is for supporting the support projection 2 a of the output side rotating body 2 and the support plate 19. It is held and supported by the projection 19a.
  • the pressing force of the disc spring presses the pressure plate 4 axially inward with a predetermined pressing force. Therefore, the first and second clutch plates 25 and 26 of the clutch portion 3 are held between the friction portion 18 of the output side rotating body 2 and the pressure plate 4.
  • the lever portion 5b of the diaphragm spring 4 is formed of a plurality of levers arranged in a radial manner.
  • a wide slit is formed between two levers adjacent in the circumferential direction, and the boss 2 b of the output side rotating body 2 passes axially outward. In this manner, the boss 2b of the output side rotating body 2 passes through the slit of the lever portion 5b of the diaphragm spring 5, whereby the relative rotation between the support plate 19 and the output side rotating body 2 and the diaphragm spring 5 is restricted. It is done.
  • the release member 6 is an annular plate member, and holds a release bearing 30 on the inner periphery. That is, at the inner peripheral portion of the release member 6, a bearing holding portion 6a is formed on the axially outer side, and an axially inner shoulder portion of the outer ring of the release bearing 30 is fitted to the bearing holding portion 6a. . [0031] Return spring ⁇
  • the return spring 7 is smaller than the pressing force of the diaphragm spring 5, and is provided to urge the presser plate 4 away from the clutch portion 3 by a load.
  • the return spring 7 is disposed between the output side rotating body 2 and the pressure plate 4. More specifically, on the inner peripheral end of the pressure plate 4, a plurality of protrusions 4 d that protrude further inward in the radial direction are formed, and the plurality of protrusions 4 d are of the output side rotating body 2. It faces the disk-like wall. And each recessed part 4e, 2e is formed in the part which each protrusion part 4d and the output side rotary body 2 oppose, and both ends are inserted in these recessed parts 4e and 2e of each of the some return spring 7 Being supported.
  • the pressing plate 4 is pressed inward in the axial direction by the pressing portion 5 a of the diaphragm spring 5 with a predetermined pressing force, and the first and second clutch plates 25 and 26 of the clutch portion 3 It is sandwiched between the friction portion 18 of the output side rotating body 2 and the pressure plate 4.
  • the clutch is in the ON state, and the rotation input with the crankshaft force also via the input gear 13 and the rubber member 12 is transmitted to the first clutch plate 25 via the clutch housing 1 and further the second clutch plate It is transmitted from 26 to the output side rotating body 2 and transmitted to the input shaft 17 of the transmission.
  • lubricating oil is supplied to the clutch portion 2.
  • This lubricating oil Since drag torque is also present between the clutch portion 3 and the pressure plate 4 in the clutch off state, drag torque is generated.
  • the pressure plate 4 is positively separated from the clutch portion 3 by the return spring 7, and the drag torque becomes smaller as compared with the case where the return spring 7 is not provided. As a result, the gear can be easily engaged while traveling, and the gear can be smoothly changed.
  • the operation force is reduced by the action of the lever portion 5b at the time of the release operation of the clutch off. More specifically, assuming that the pressing force by the pressing portion 5a of the diaphragm spring 5 is P, for example, the lever 5b must be operated to release the pressing force P! /, The release load R Is
  • L1 The distance from the support portion of the inner peripheral portion of the pressing portion to the pressing point of the outer peripheral portion of the pressing portion
  • L2 The distance from the support portion of the inner peripheral portion of the pressing portion to the contact portion with the release member of the lever portion. That is, the release load is reduced by the lever ratio (L1ZL2). Therefore, when setting the same release load as the conventional device, the pressing load of the pressing portion 5a can be increased by the lever ratio, and when making the transmission capacity of the clutch the same, the clutch plate You can reduce the number of Therefore, the clutch device can be made compact.
  • the force required to support the diaphragm spring 5 in the middle in the radial direction that is, the inner peripheral portion of the pressing portion 5a.
  • This portion is the inner peripheral side by the outer peripheral portion of the output side rotating body 2. Since it is supported from the above, it can be supported in a simple and small space, as compared with the support structure by the clutch cover of the conventional automobile clutch device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L’invention décrit un dispositif d’embrayage pour motocycle qui possède un carter d’embrayage (1), un corps rotatif côté sortie (2), une section d’embrayage (3) possédant des plateaux d’embrayage pour embrayer et débrayer la force motrice entre le carter d’embrayage (1) et le corps rotatif côté sortie (2), un plateau de pression (4) pressant les plateaux de la section d’embrayage (3) l’un contre l’autre, un ressort diaphragme (5) servant à presser le plateau de pression, un organe de dégagement (6) servant à retirer la force de pression du ressort diaphragme (5) et un ressort de rappel (7) placé entre le corps rotatif côté sortie (2) et le plateau de pression (4) et forçant le plateau de pression (4) dans un sens visant à le séparer de la partie d’embrayage (3) par une charge plus petite que la charge de pression du ressort diaphragme (5).
PCT/JP2006/309017 2005-05-12 2006-04-28 Dispositif d’embrayage pour motocycle WO2006129445A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005139489A JP2006316869A (ja) 2005-05-12 2005-05-12 モータサイクル用クラッチ装置
JP2005-139489 2005-05-12

Publications (1)

Publication Number Publication Date
WO2006129445A1 true WO2006129445A1 (fr) 2006-12-07

Family

ID=37481377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/309017 WO2006129445A1 (fr) 2005-05-12 2006-04-28 Dispositif d’embrayage pour motocycle

Country Status (3)

Country Link
JP (1) JP2006316869A (fr)
CN (1) CN101203688A (fr)
WO (1) WO2006129445A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4975723B2 (ja) * 2008-01-25 2012-07-11 株式会社エクセディ モータサイクル用クラッチ装置
JP5286101B2 (ja) * 2008-11-26 2013-09-11 ヤマハ発動機株式会社 摩擦クラッチおよびそれを備えた車両

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355051U (fr) * 1976-10-12 1978-05-11
JPS59231217A (ja) * 1983-06-13 1984-12-25 Yamaha Motor Co Ltd 摩擦クラツチ装置
JPS62233524A (ja) * 1986-03-31 1987-10-13 Honda Motor Co Ltd 車両用クラツチ装置
JPH0291224U (fr) * 1988-12-28 1990-07-19

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5355051U (fr) * 1976-10-12 1978-05-11
JPS59231217A (ja) * 1983-06-13 1984-12-25 Yamaha Motor Co Ltd 摩擦クラツチ装置
JPS62233524A (ja) * 1986-03-31 1987-10-13 Honda Motor Co Ltd 車両用クラツチ装置
JPH0291224U (fr) * 1988-12-28 1990-07-19

Also Published As

Publication number Publication date
CN101203688A (zh) 2008-06-18
JP2006316869A (ja) 2006-11-24

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